Home / 455,943,644.80-683,981,822.40-149,161,436.80

Finding the Fourth Proportional to 455,943,644.80, 683,981,822.40 and 149,161,436.80

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Solution

The fourth proportional to 455,943,644.80, 683,981,822.40 and 149,161,436.80 is: 223,763,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,943,644.80 : 683,981,822.40 = 149,161,436.80 : x
  2. Step 2: Convert to fraction form
    455,943,644.80/683,981,822.40 = 149,161,436.80/x
  3. Step 3: Cross multiply
    455,943,644.80x = 683,981,822.40 × 149,161,436.80
  4. Step 4: Simplify right side
    455,943,644.80x = 102,023,711,374,266,432
  5. Step 5: Solve for x
    x = 102,023,711,374,266,432/455,943,644.80
  6. Step 6: Final answer
    x = 223,763,863.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.